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Finding the Fourth Proportional to 534,323.98, 737,361.85 and 289,307.54

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Solution

The fourth proportional to 534,323.98, 737,361.85 and 289,307.54 is: 399,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,323.98 : 737,361.85 = 289,307.54 : x
  2. Step 2: Convert to fraction form
    534,323.98/737,361.85 = 289,307.54/x
  3. Step 3: Cross multiply
    534,323.98x = 737,361.85 × 289,307.54
  4. Step 4: Simplify right side
    534,323.98x = 213,324,342,913.35
  5. Step 5: Solve for x
    x = 213,324,342,913.35/534,323.98
  6. Step 6: Final answer
    x = 399,241.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.